Neuroscience: Neuroanatomy is the study of the structure of the nervous system, Neurochemistry is the chemical basis of neural activity, Neuroendocrinology is the study of interactions between the nervous system and the endocrine system, Neuropathology is the study of nervous system disorders, Neuropharmacology is the study of the effects of drugs on neural activity, and Neurophysiology is the study of the functions and activities of the neural system.